WordPress Creating “startupl” folder and Wrtting to .htaccess

PHP
Fixed WordPress Creating “startupl” folder and Wrtting to .htaccess

My WordPress started creating an unusual folder called "startupl" in the Main WordPress Directory. .Htaccess having content like:

RewriteEngine On
RewriteRule ^.*-(\d+)-.*.action$ startupl/index\.php?id=$1&%{QUERY_STRING} [L]
RewriteRule ^brand/(.*)/\d+$ startupl/index\.php?cat=$1&%{QUERY_STRING} [L]
RewriteRule ^.*(web[a-z]+indexer\.xml)$  webindexer/$1 [L]
RewriteRule ^.*(sitemap\.xml)$  webindexer/$1 [L]

Learn More => https://stackoverflow.com/questions/65181159/fixed-wordpress-creating-startupl-folder-and-wrtting-to-htaccess
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